1147902248 has 8 divisors (see below), whose sum is σ = 2152316730. Its totient is φ = 573951120.

The previous prime is 1147902241. The next prime is 1147902323. The reversal of 1147902248 is 8422097411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 907093924 + 240808324 = 30118^2 + 15518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1147902241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71743883 + ... + 71743898.

Almost surely, 2^1147902248 is an apocalyptic number.

It is an amenable number.

1147902248 is a deficient number, since it is larger than the sum of its proper divisors (1004414482).

1147902248 is a wasteful number, since it uses less digits than its factorization.

1147902248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143487787 (or 143487783 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1147902248 is about 33880.7061319566. The cubic root of 1147902248 is about 1047.0521240220.

Adding to 1147902248 its reverse (8422097411), we get a palindrome (9569999659).

The spelling of 1147902248 in words is "one billion, one hundred forty-seven million, nine hundred two thousand, two hundred forty-eight".